Logical Database Design Normalization is a formal process for deciding which attributes should be grouped together in a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The entity integrity rule states that: no primary key may be unique. no primary key attribute may be null. no primary key can be composite. no primary key may be equal to a value in a foreign key. no primary key may be unique. no primary key attribute may be null. no primary key can be composite. no primary key may be equal to a value in a foreign key. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A synonym is two or more attributes that have different names but the same meaning. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A candidate key must uniquely identify each row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If no multivalued attributes exist in a relation, then the relation is in what normal form? First normal form Third normal form Second normal form Fourth normal form First normal form Third normal form Second normal form Fourth normal form ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A transitive dependency is which of the following? A functional dependency between two or more key attributes. A relation that is in second normal form. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. A functional dependency between two or more key attributes. A relation that is in second normal form. A relation that is in first normal form. A functional dependency between two or more nonkey attributes. ANSWER DOWNLOAD EXAMIANS APP
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